Ore-concentrator.



PATEN'IED MAR. 3, 19os.

R. H. MANLEY.

ORE CONCENTRATOR.

APPLICATION FILED APR.26.1907.

WITNESSES A TTORNEYS UNITED STATES PATENT BAY HALLIE MANLEY, OF SANFRANCISCO, CALIFORNIA.

onn-concnn'rna'ron.

To all whom it may concern:

Be it known that I, RAY HALLIE MANLEY, a citizen of the United States,and a resident of San Francisco, in the county of San Fran- E cisco andState of California, have invented a I i signed for se fragmentarysection new and Improved Ore-Concentrator, of which the following is afull, clear, and exact description.

This invention has reference to an imroved ore concentrator, more esecially dearating and saving ne or flour gold from t e tailings, whichit does both thoroughly and rapidly when the material is either in thewet or dry state.

The invention broad y stated, comprises a revoluble and vibratory bowlin which the tailings containing gold or other metal. is placed. As thetailings are lighter than the gold, they are worked to the surface bythe vibratory motion and thence carried over the top edge of centrifugalforce develo ed.

, Reference is to be ha to the accompanying drawings forming apart ofthis speclfication, in which similar characters of reference indicatecorresponding parts in all the figures.

Figure 1 is a central, vertical section through the preferred form of myimproved ore separator; Fig. 2 is a fragmentary v ew of the vibratingmechanism, and Fig. 3 1s a through the bowl, on an enlarged scale,illustrating the manner in which the particles of metal collect behindthe ribs thereof. I

More specifically stated, the invention com rises suitable supportingstandards 1, 1 whic are connected together at their upper ends andprovide bearings for a cross-shaft 2 intermediate their height, saidshaft carrying between the standards a centrally-arranged cam 3 and atone side thereof a bevel gear 4. A pulle 5 is fixed to the shaft 2 atthe outside oft e standards, by which the shaft may be driven from asuitable source of power.

Journaled in the connecting portion of the standards 1 is a verticalshaft 6, having a head 7 at its lower end normally pressed to theperiphery of the cam 3 by a spring 8, surrounding said shaft andinterposed between the head and a small bevel gear 9. The gear 9 is inmesh with the ear 4, and is slidably splined on the vertica shaft 6 by apin or screw 10, rojecting into a slot 11 cut in the shaft for t ispurpose. The u per end of the shaft 6 above the standar s 1 is screw-Specification of Letters Patent. Application filed April 26, 1907.Serial No. 370,440.

ranged radia ly of the bowl under the action of the Patented March 3,1908;

threaded for receiving nuts 12 and 13, preferably having extendedopposed faces tween which a bowl 14 is clamped. This 'bowl receives thecrushed ore or other material containing the particles of gold or othermetal, and is constructed on its inner face with a series of concentricribs 15 dpreferably V-sha ed in cross section an arthe bowl, the bowlbeing fed with the crushed ore ,at its center in the space inclosed bythe inner rib, as through a hopper 16.

Surrounding the upper edge of the bowl 1 1:, into which the latterdischarges when in op eration, is a doubled apron 17, which droops aboutthe bowl and has an inclined bottom discharging through a suitableorifice 18 arranged at one side of the machine. This apron is preferablysupported from the standards 1 by brace-bars 19 located at suitablepoints.

In; the operation of the machine, the crushed ore or other powderedmaterial containing particles of gold or other metal, is fed, a smallquantity at a time, to the center of the bowl through the hopper 16, thema terial being either in the wet or dry state. If in the wet state, theinterior of the bowl is amalgamated. As the bowl is rapidlyrevolvedunder the action of the driving mechanism, it is also vibratedby the bumping action given to the shaft 6 by the cam 3, this o cratingto work the lighter material to t e top.. As this material comes to thesurface it is, under the influence of the centrifugal force develo ed bythe revolution of the bowl, successive y worked over the ribs 15 anddischarged into the doubled apron, where it asses through the orifice18. The gold or ot er metal will lodge behind the ribs as the tailingsfloat over, as illustrated in Fig. 3. The machine is found in actualpractice to erform the separating operation thoroug y and rapidly, infact more so than the ordinary plates or tables.

It is apparent that various changes in the construction from thatdescribed may he resorted to, without departing from the nature of myinvention, as set forth in the claims annexed. 1

Having thus described my invention I claim as new and desire to secureby Letters Patent:

1. An ore separator, comprising standards connected together at thelrupper ends, a cross-shaft journaled in the standards, having a cam and abevel wheel fixed thereto, a

vertical shaft journaled in the connectingortion of said standards,having a head, a bevel wheel in engagement with the firstnamed wheel,slidably splined to the vertical shaft, a spring interposed between thelastnamed wheel and the head of the shaft, normally forcing said head incontact with said cam, a bowl fixed t0 the upper end of said shaft, andan a ron surrounding the upper edge of said bow and fixed to saidstandards.

2. An ore concentrator, comprising a vertical shaft carrying a bowl, across shaft having a cam on which the lower end of the vertical shaftbears, a bevel splinedto the vertical shaft near its lower end, a bevelgear fixed to said cross shaft in mesh with' the first-named bevel ear,and a spring interposed between the st-named bevel shaft.

In testimony whereof I have signed my name to this specification in thepresence of two subscribing witnesses.

, RAY HALLIE -MANLEY. Witnesses CHAS. A. MARRINER, LEONA MADELINEMERCHANT.

gear slidably 1 5 gear andthe lower end of said vertical; 20

